Value Package: 12 pool connection pins and 12 Joints per pack. Allows you to avoid purchasing a new metal frame pool due to loss or damage of multiple frame pool joint pins. Replacing spare parts is the most economical way to keep your frame pool in perfect condition. Strong waterproof: The pool pin connects the T-shaped joint and the frame pool pipe. The replacement parts are very tight and not easy to fall off, which can prevent water from entering the pool frame pipe and prevent it from rusting. Easy installation: Simply replace the lost or damaged frame pool spare part with a new one, and the spare parts can be easily interchangeable without additional tools. High quality material: The swimming pool pins are made of high quality, which are durable. Keep your pool in its best condition this summer. Scope of application: This pool pin is suitable for most round and rectangular metal frame pools. The detailed size specifications of the swimming pool joint pin are shown in Figure 5. Please carefully check the required size of your framed swimming pool to ensure that our products are compatible with your swimming pool. Note: The data are all manually measured, please allow 1-3cm error due to Light and display differences, there may be color differences, please refer to the actual item received.